Clicking that fifth star is a pretty big commitment. People will expect you to have some seriously well reasoned and thoughtful/thought provoking things to say about the book in question.

Frankly, right now I really couldn't write the review that could do this book justice. Because it was really fucking good. But it was also a little sad, and a lot more truly honest.

Which, really, is why John Green is so good at what he does, because he can write a story that can seem completely impossible and wonderful and totally realistic all at once, and you can stop yourself believing it is totally made up. Because you really want to think such things can happen, to anyone. To you. And that is pretty awesome.